GPT Infraprojects Subsidiary Alcon Builders Wins ₹134.11 Crore Western Railway Signalling Contract

GPT Infraprojects' wholly-owned subsidiary Alcon Builders and Engineers Private Limited has secured a railway signalling contract worth ₹134.11 crore, including GST, from the Chief Signal and Telecommunication Engineer, Western Railway, Ratlam Division. CNBC TV18 reported the order on October 17, 2026. The details were reported by CNBCTV18.

Alcon Builders' Ratlam Division Signalling Contract

The Kolkata-based company said in a stock exchange filing that the order is valued at ₹113.65 crore excluding GST. The scope covers the survey, design, supply, installation, testing and commissioning of 4-Aspect Automatic Block Signalling with electronic interlocking and dual multi-section digital axle counters at auto huts, along with associated alterations to electronic interlocking at stations.

The work spans the double-line sections between Nagda-Ujjain-Tajpur, Phanda-Sant Hirdaram Nagar, Ujjain-Karchha, and Mangliyagaon-Indore under the Ratlam division of Western Railway, and is to be executed within 548 days from the appointed date. GPT Infraprojects operates through two segments, infrastructure and sleeper, and is engaged in civil and infrastructure projects including bridges, road-over-bridges and railway signalling works, besides manufacturing concrete sleepers for railways in India and Africa through units in West Bengal, South Africa, Namibia and Ghana.

Western Railway's earlier reported work includes a Rs. 1.49 bn project won by Alcon Builders to replace panel interlocking stations with electronic systems at 18 stations, according to Construction World.

GPT Infraprojects' Order Book and Credit Rating

According to akta.pro company records, GPT Infraprojects completed the acquisition of 100% equity in Alcon Builders and Engineers Private Limited for Rs 151.83 crore in February 2026, entering the railway signalling, telecommunications, and allied EPC segment. The same records show CRISIL upgraded the company's long-term credit facilities rating to CRISIL A Stable and short-term to A1 in March 2026, reflecting balance sheet strengthening following strong FY26 results and order book accretion.

Earlier GPT Infraprojects Contract Wins

On October 6, 2026, GPT Infraprojects' subsidiary GPT Concrete Products South Africa won a five-year contract from Transnet Freight Rail to manufacture and supply railway concrete sleepers from its Ladysmith factory, Construction World reported. On October 2, 2026, Financial Express reported that GPT Infraprojects secured three orders worth Rs 540.32 crore, including a Rs 385 crore sleeper contract from Transnet Freight Rail in South Africa and two signalling projects from Western Railway. On September 22, 2026, Business Standard reported that Alcon Builders and Engineers was declared L1 for a Western Railway project valued at Rs 21.21 crore.

What Comes Next for the Ratlam Order

The company said the work is to be executed within 548 days from the appointed date. GPT Infraprojects said its net outstanding order book stands at ₹5,651 crore, with total order inflow for fiscal 2027 at ₹1,478 crore.